Science - Chapter 3 Flashcards
What is a herbivore? Give an example. What kind of teeth does it have?
An herbivore is an animal that eats plants.
Cows and deer are herbivores.
Their teeth are flat for grinding leaves & stems.
What is a carnivore? Give an example. What kind of teeth does it have?
A carnivore is an animal that eats other animals.
Lions and wolves are carnivores.
Their teeth are sharp & pointed for tearing meat.
What is an omnivore? Give an example. What kind of teeth does it have?
An omnivore is an animal that eats both plants and other animals. Baboons and raccoons are omnivores. They have some flat teeth and some pointed teeth.
Name 4 things necessary for life.
air, water, energy, and space to live
All of the living things that depend on each other for food in an area is called a _____.
community
An organism that lives on or inside the body of another organism is a _____.
parasite
Which organism is most likely considered a predator in a pond community?
a. snail
b. algae
c. raccoon
d. cattails
c. raccoon
Which one of the following resources would animals compete for in a prairie community?
a. water
b. shelter
c. sunlight
d. air
b. shelter (and possibly a. water)
An organism that recycles nutrients by breaking down dead organisms is called a _____.
a. predator
b. consumer
c. producer
d. decomposer
d. decomposer
Which statement best describes the relationship between predator and prey.
a. A cow is a predator and grass is its prey.
b. A mushroom is a predator and dead things are its prey.
c. A field mouse is a predator and an owl is its prey.
d. A mountain lion is a predator and a rabbit is its prey.
d. mountain lion = predator; rabbit = prey
Which of these describes a relationship in which both living things benefit?
a. A bird makes a nest in a tree.
b. A burr is attached to a person’s sock.
c. A butterfly drinks nectar from a flower and carries pollen from one flower to another.
d. A mountain lion eats a rabbit.
c. butterfly and flower
John finds fleas on his cat. He knows that fleas are parasites. What will the fleas most likely do if they stay on the cat?
a. The fleas will become friends with the cat.
b. The fleas will become food for the cat.
c. The fleas will get their food from the cat.
d. The fleas will produce food for the cat.
c. The fleas will get their food from the cat.
A group of scientists are studying a pond food chain.
Sun ==> algae ==> snail ==> bullfrog ==>large mouth bass ==>raccoon
What would MOST LIKELY happen if the population of bullfrogs decreased?
a. The number of raccoons would increase.
b. The number of snails would increase.
c. The number of raccoons would remain the same.
d. The number of snails would remain the same.
b. The number of snails would most likely increase.
A group of scientists are studying a pond food chain.
Sun ==> algae ==> snail ==> bullfrog ==>large mouth bass ==>raccoon
What would MOST LIKELY happen if the population of bullfrogs decreased?
a. The number of snails would decrease.
b. The amount of algae would increase.
c. The number of large mouth bass would decrease.
d. The number of bullfrogs would increase.
c. The number of large mouth bass would most likely decrease over time.
True or False: A butterfly plant is a decomposer, because it uses sunlight, water, and air to make food.
False; it’s a PRODUCER
